Table 2.
Results for sensitivity (S), specificity (E), positive predictive value (PPV), and negative predictive value (NPV) between the serological tests in G1 and G2, performed by ELISA (DiaSorin) and ELFA (Biomerieux) and between the molecular tests performed by cPCR (JW62/63), Nested PCR, cPCR (B22/23), and qPCR.
| S (%) | E (%) | PPV (%) | NPV (%) | |
|---|---|---|---|---|
| ELISA IgG | 96.3 | 34.6 | 56.6 | 91.4 |
| ELISA IgM | 6.1 | 96.8 | 62.5 | 53.7 |
| ELFA IgG | 95.1 | 35.7 | 56.7 | 89.2 |
| ELFA IgM | 3.7 | 98.9 | 75.0 | 53.7 |
| cPCR (JW62/63) | 1.8 | 99.5 | 75.0 | 53.3 |
| Nested PCR | 2.4 | 99.5 | 80.0 | 53.5 |
| cPCR (B22/23) | 6.1 | 98.4 | 76.7 | 54.2 |
| qPCR | 8.5 | 98.4 | 82.3 | 54.8 |